Slides in this set

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If body temp is too high Blood vessels supplying skin dilate so more blood flows through the capillaries and more heat is lost (vasodilation) Sweat glands release more sweat which cools the body as it evaporates…read more

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Plant cell Range to 10-100 micrometers Ribosomes ­ Protein synthesis Cell wall ­ made of cellulose, which supports and the strengthens the cell Nucleus ­ Contains genetic material that controls the activities of the cell Mitochondria ­ Where respiration takes place, so energy is created Vacuole ­ contains cell sap, a weak solution of sugar and salts Chloroplasts ­ these are where photosynthesis occurs, which makes food for the plant, they contain a green substance called chlorophyll Cell membrane ­ holds the cell together and controls what goes in and out Cytoplasm ­ Jelly like substance where most of the chemical reactions take place. It contains enzymes that control these chemical reactions…read more

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Animal cell Range between 10 and 30 micrometers Mitochondria ­ where respiration takes place, so energy is created Ribosomes ­ protein synthesis Cytoplasm ­ jelly-like substance where most of the chemical reactions take place. Contains enzymes which control the chemical reactions Nucleus ­ contains genetic information that controls the activities of the cell Cell membrane ­ holds the cell together and controls what goes in and out…read more